Base | Representation |
---|---|
bin | 110011010101… |
… | …100000000000 |
3 | 221022201002112 |
4 | 303111200000 |
5 | 11421114113 |
6 | 1200234452 |
7 | 222246266 |
oct | 63254000 |
9 | 27281075 |
10 | 13457408 |
11 | 7661828 |
12 | 460ba28 |
13 | 2a32483 |
14 | 1b04436 |
15 | 12ac5a8 |
hex | cd5800 |
13457408 has 24 divisors (see below), whose sum is σ = 26912340. Its totient is φ = 6727680.
The previous prime is 13457407. The next prime is 13457417. The reversal of 13457408 is 80475431.
It is a super-2 number, since 2×134574082 = 362203660156928, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13457401) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1238 + ... + 5333.
Almost surely, 213457408 is an apocalyptic number.
It is an amenable number.
13457408 is a deficient number, since it is larger than the sum of its proper divisors (13454932).
13457408 is an frugal number, since it uses more digits than its factorization.
13457408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6593 (or 6573 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 32.
The square root of 13457408 is about 3668.4339983159. The cubic root of 13457408 is about 237.8594844120.
The spelling of 13457408 in words is "thirteen million, four hundred fifty-seven thousand, four hundred eight".
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